National Digital Archives (Polish: Narodowe Archiwum Cyfrowe, NAC) are the national archives of Poland, collecting and digitising audiovisual materials.

[2] National Digital Archives are one of three central State Archives (Archiwa Państwowe), other two being Central Archives of Historical Records and Archives of Modern Records [pl].

[3] National Digital Archives were established on 28 March 2008 by transforming the Archives of Audiovisual Records (Archiwum Dokumentacji Mechanicznej 'Mechanical Documentation Archives') created in 1955.

[4][5] National Digital Archives' collection include:[6] which are all divided into 159 groups.

[7] Whole collection is available for the public through the Archives' reading room, while digitilised records are made accessible through a website Szukaj w Archiwach 'Search in Archives' (www.szukajwarchiwach.gov.pl) run by the NAC.